389958734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^3$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 666731520

約数和(自身を除く): 276772786

約数列:

[1, 2, 11, 22, 31, 62, 83, 166, 341, 682, 913, 1826, 2573, 5146, 6889, 13778, 28303, 56606, 75779, 151558, 213559, 427118, 571787, 1143574, 2349149, 4698298, 6289657, 12579314, 17725397, 35450794, 194979367, 389958734]

約数ペア:

[(1, 389958734), (2, 194979367), (11, 35450794), (22, 17725397), (31, 12579314), (62, 6289657), (83, 4698298), (166, 2349149), (341, 1143574), (682, 571787), (913, 427118), (1826, 213559), (2573, 151558), (5146, 75779), (6889, 56606), (13778, 28303)]